The word of the Lord came to him in the thirteenth year of the reign of Josiah son of Amon king of Judah,
NMVTo whom the word of the LORD-Yehōvah (Messiah Pre-Incarnate) came in the days of Yoshiyahu [whom Yehovah heals] the son of ‘Amon [master workman] king of Y’hudah [Let Him (God) Be Praised], in the thirteenth year of his reign.
OJBTo whom the Devar Hashem came in the days of Yoshiyah ben Amon Melech Yehudah, in the thirteenth year of his reign.
T4TYahweh started to give me these messages when Josiah had been ruling Judah for almost 13 years.